About: http://webisa.webdatacommons.org/318621382

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Using the sulfate ion as exemplary, the reaction has generally proceeded as follows: ##STR1## where M is a bivalent metal cation and R is a radical of a naturally occurring amino acid, dipeptide or polypeptide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com